Her case? She claims that Lenin and his crew, and the Nazis, at least acknowledged that what they were doing was evil, but felt it was necessary. But she compares the Inquisition to the Nazis and the Communists, and then points to Thomas Aquinas’s approval of the Inquisition.
Her version of the Inquisition is right out of Edgar Allen Poe or George Bernard Shaw, or maybe Monty Python. It’s an unhistorical cultural myth of mysterious hooded guys showing up at your house in the middle of the night and arresting you without due process.
It’s a straw man.